参数资料
型号: MIC2185YM
厂商: Micrel Inc
文件页数: 3/15页
文件大小: 0K
描述: IC REG CTRLR BST PWM CM 16-SOIC
标准包装: 48
PWM 型: 电流模式
输出数: 1
频率 - 最大: 440kHz
占空比: 95%
电源电压: 2.9 V ~ 14 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
包装: 管件
产品目录页面: 1092 (CN2011-ZH PDF)
其它名称: 576-1714-5
MIC2185YM-ND
MIC2185
Absolute Maximum Ratings (Note 1)
Supply Voltage (V IN A, V IN P) .......................................... 15V
Digital Supply Voltage (V DD ) ............................................ 7V
Skip Pin Voltage (V SKIP ) .................................... –0.3V to 7V
Comp Pin Voltage (V COMP ) ............................... –0.3V to 3V
Feedback Pin Voltage (V FB ) .............................. –0.3V to 3V
Enable Pin Voltage (V EN/UVLO ) ....................... –0.3V to 15V
Current Sense Voltage (V CSH ) .......................... –0.3V to 1V
Sync Pin Voltage (V SYNC ) ................................ –0.3V to 7V
Freq/2 Pin Voltage (V FREQ/2 ) ............................. –0.3V to 7V
Power Dissipation (P D )
16 lead SOP ...................................400mW @ T A = 85°C
16 lead QSOP .................................245mW@ T A = 85°C
Ambient Storage Temp ............................. –65°C to +150°C
Micrel, Inc.
Operating Ratings (Note 2)
Supply Voltage (V IN A, V IN P) ......................... +2.9V to +14V
Operating Ambient Temperature ........... –40°C ≤ T A ≤ +85°C
Junction Temperature ......................... –40°C ≤ T J ≤ +125°C
PackageThermal Resistance
θ JA 16-lead SOP ................................................ 100°C/W
θ JA 16-lead QSOP ............................................. 163°C/W
ESD Rating, Note 3
Electrical Characteristics
V IN A= 5V, VinP= V OUT =12V, V EN/UVLO = 5V, V SKIP = 0V, V FREQ/2 = 0V, V CSH = 0V, T J = 25°C, unless otherwise speci?ed. Bold values
indicate –40°C < T J < +125°C.
Parameter                      Condition                                                 Min    Typ    Max   Units
Regulation
Feedback Voltage Reference
Feedback Bias Current
Output Voltage Line Regulation
Output Voltage Load Regulation
Input & V DD Supply
V IN A Input Current, PWM mode
V IN P Input Current, PWM mode
V IN A Input Current, SKIP mode
Shutdown Quiescent Current
Digital Supply Voltage (VDD)
Digital Supply Load Regulation
Undervoltage Lockout
Reference Output (V REF )
Reference Voltage
Reference Voltage Line
Regulation
Reference Voltage Load
Regulation
(±1%)
(±2%)
3V ≤ V IN A ≤ 9V; 0mV ≤ CSH ≤ 75mV; (±3%)
3V ≤ V IN A ≤ 9V
0mV ≤ CSH ≤ 75mV
V SKIP = 0V
V SKIP = 0V (excluding external MOSFET gate current)
V SKIP = 5V
V EN/UVLO = 0V; (I VINA + I VINP )
I L = 0
I L = 0 to 0.5mA
V DD upper threshold (turn on threshold)
V DD lower threshold (turn off threshold)
(±1.5%)
(±2.5%)
5V < VinA < 9V
0 < I REF < 100μA
1.233
1.220
1.208
2.8
2.9
1.226
1.213
1.245
1.245
50
+0.08
–1.2
0.8
3.8
0.6
0.5
3.0
0.03
2.75
2.65
1.245
2
1
1.258
1.270
1.282
3.2
1.264
1.276
V
V
V
nA
% / V
%
mA
mA
mA
μA
V
V
V
V
V
V
mV
mV
Enable/UVLO
Enable Input Threshold
UVLO Threshold
UVLO Hysteresis
Enable Input Current
October 2005
V EN/UVLO = 5V
3
0.6
1.4
0.9
1.5
140
0.2
1.2
1.6
5
V
V
mV
μA
MIC2185
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